[thirdparty/cups.git] / backend / parallel.c

/*
 * "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $"
 *
 *   Parallel port backend for the Common UNIX Printing System (CUPS).
 *
 *   Copyright 1997-2006 by Easy Software Products, all rights reserved.
 *
 *   These coded instructions, statements, and computer programs are the
 *   property of Easy Software Products and are protected by Federal
 *   copyright law.  Distribution and use rights are outlined in the file
 *   "LICENSE" which should have been included with this file.  If this
 *   file is missing or damaged please contact Easy Software Products
 *   at:
 *
 *       Attn: CUPS Licensing Information
 *       Easy Software Products
 *       44141 Airport View Drive, Suite 204
 *       Hollywood, Maryland 20636 USA
 *
 *       Voice: (301) 373-9600
 *       EMail: cups-info@cups.org
 *         WWW: http://www.cups.org
 *
 *   This file is subject to the Apple OS-Developed Software exception.
 *
 * Contents:
 *
 *   main()         - Send a file to the specified parallel port.
 *   list_devices() - List all parallel devices.
 */

/*
 * Include necessary headers.
 */

#include "backend-private.h"

#ifdef __hpux
#  include <sys/time.h>
#else
#  include <sys/select.h>
#endif /* __hpux */

#ifdef WIN32
#  include <io.h>
#else
#  include <unistd.h>
#  include <fcntl.h>
#  include <termios.h>
#  include <sys/socket.h>
#endif /* WIN32 */

#ifdef __sgi
#  include <invent.h>
#  ifndef INV_EPP_ECP_PLP
#    define INV_EPP_ECP_PLP	6	/* From 6.3/6.4/6.5 sys/invent.h */
#    define INV_ASO_SERIAL	14	/* serial portion of SGI ASO board */
#    define INV_IOC3_DMA	16	/* DMA mode IOC3 serial */
#    define INV_IOC3_PIO	17	/* PIO mode IOC3 serial */
#    define INV_ISA_DMA		19	/* DMA mode ISA serial -- O2 */
#  endif /* !INV_EPP_ECP_PLP */
#endif /* __sgi */


/*
 * Local functions...
 */

void	list_devices(void);


/*
 * 'main()' - Send a file to the specified parallel port.
 *
 * Usage:
 *
 *    printer-uri job-id user title copies options [file]
 */

int					/* O - Exit status */
main(int  argc,				/* I - Number of command-line arguments (6 or 7) */
     char *argv[])			/* I - Command-line arguments */
{
  char		method[255],		/* Method in URI */
		hostname[1024],		/* Hostname */
		username[255],		/* Username info (not used) */
		resource[1024],		/* Resource info (device and options) */
		*options;		/* Pointer to options */
  int		port;			/* Port number (not used) */
  int		print_fd,		/* Print file */
		device_fd;		/* Parallel device */
  int		copies;			/* Number of copies to print */
  size_t	tbytes;			/* Total number of bytes written */
  struct termios opts;			/* Parallel port options */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
  struct sigaction action;		/* Actions for POSIX signals */
#endif /* HAVE_SIGACTION && !HAVE_SIGSET */


 /*
  * Make sure status messages are not buffered...
  */

  setbuf(stderr, NULL);

 /*
  * Ignore SIGPIPE signals...
  */

#ifdef HAVE_SIGSET
  sigset(SIGPIPE, SIG_IGN);
#elif defined(HAVE_SIGACTION)
  memset(&action, 0, sizeof(action));
  action.sa_handler = SIG_IGN;
  sigaction(SIGPIPE, &action, NULL);
#else
  signal(SIGPIPE, SIG_IGN);
#endif /* HAVE_SIGSET */

 /*
  * Check command-line...
  */

  if (argc == 1)
  {
    list_devices();
    return (CUPS_BACKEND_OK);
  }
  else if (argc < 6 || argc > 7)
  {
    fputs("Usage: parallel job-id user title copies options [file]\n", stderr);
    return (CUPS_BACKEND_FAILED);
  }

 /*
  * If we have 7 arguments, print the file named on the command-line.
  * Otherwise, send stdin instead...
  */

  if (argc == 6)
  {
    print_fd = 0;
    copies   = 1;
  }
  else
  {
   /*
    * Try to open the print file...
    */

    if ((print_fd = open(argv[6], O_RDONLY)) < 0)
    {
      perror("ERROR: unable to open print file");
      return (CUPS_BACKEND_FAILED);
    }

    copies = atoi(argv[4]);
  }

 /*
  * Extract the device name and options from the URI...
  */

  httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
                  method, sizeof(method), username, sizeof(username),
		  hostname, sizeof(hostname), &port,
		  resource, sizeof(resource));

 /*
  * See if there are any options...
  */

  if ((options = strchr(resource, '?')) != NULL)
  {
   /*
    * Yup, terminate the device name string and move to the first
    * character of the options...
    */

    *options++ = '\0';
  }

 /*
  * Open the parallel port device...
  */

  fputs("STATE: +connecting-to-device\n", stderr);

  do
  {
    if ((device_fd = open(resource, O_WRONLY | O_EXCL)) == -1)
    {
      if (getenv("CLASS") != NULL)
      {
       /*
        * If the CLASS environment variable is set, the job was submitted
	* to a class and not to a specific queue.  In this case, we want
	* to abort immediately so that the job can be requeued on the next
	* available printer in the class.
	*/

        fputs("INFO: Unable to open parallel port, queuing on next printer "
	      "in class...\n", stderr);

       /*
        * Sleep 5 seconds to keep the job from requeuing too rapidly...
	*/

	sleep(5);

        return (CUPS_BACKEND_FAILED);
      }

      if (errno == EBUSY)
      {
        fputs("INFO: Parallel port busy; will retry in 30 seconds...\n",
	      stderr);
	sleep(30);
      }
      else if (errno == ENXIO || errno == EIO || errno == ENOENT)
      {
        fputs("INFO: Printer not connected; will retry in 30 seconds...\n",
	      stderr);
	sleep(30);
      }
      else
      {
	fprintf(stderr,
	        "ERROR: Unable to open parallel port device file \"%s\": %s\n",
	        resource, strerror(errno));
	return (CUPS_BACKEND_FAILED);
      }
    }
  }
  while (device_fd < 0);

  fputs("STATE: -connecting-to-device\n", stderr);

 /*
  * Set any options provided...
  */

  tcgetattr(device_fd, &opts);

  opts.c_lflag &= ~(ICANON | ECHO | ISIG);	/* Raw mode */

  /**** No options supported yet ****/

  tcsetattr(device_fd, TCSANOW, &opts);

 /*
  * Finally, send the print file...
  */

  tbytes = 0;

  while (copies > 0 && tbytes >= 0)
  {
    copies --;

    if (print_fd != 0)
    {
      fputs("PAGE: 1 1\n", stderr);
      lseek(print_fd, 0, SEEK_SET);
    }

    tbytes = backendRunLoop(print_fd, device_fd, 1);

    if (print_fd != 0 && tbytes >= 0)
      fprintf(stderr, "INFO: Sent print file, " CUPS_LLFMT " bytes...\n",
	      CUPS_LLCAST tbytes);
  }

 /*
  * Close the socket connection and input file and return...
  */

  close(device_fd);

  if (print_fd != 0)
    close(print_fd);

  return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK);
}


/*
 * 'list_devices()' - List all parallel devices.
 */

void
list_devices(void)
{
#if defined(__hpux) || defined(__sgi) || defined(__sun)
  static char	*funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
				/* Funky hex numbering used for some devices */
#endif /* __hpux || __sgi || __sun */

#ifdef __linux
  int	i;			/* Looping var */
  int	fd;			/* File descriptor */
  char	device[255],		/* Device filename */
	basedevice[255],	/* Base device filename for ports */
	device_id[1024],	/* Device ID string */
	make_model[1024];	/* Make and model */


  if (!access("/dev/parallel/", 0))
    strcpy(basedevice, "/dev/parallel/");
  else if (!access("/dev/printers/", 0))
    strcpy(basedevice, "/dev/printers/");
  else
    strcpy(basedevice, "/dev/lp");

  for (i = 0; i < 4; i ++)
  {
   /*
    * Open the port, if available...
    */

    sprintf(device, "%s%d", basedevice, i);
    if ((fd = open(device, O_RDWR | O_EXCL)) < 0)
      fd = open(device, O_WRONLY);

    if (fd >= 0)
    {
     /*
      * Now grab the IEEE 1284 device ID string...
      */

      if (!backendGetDeviceID(fd, device_id, sizeof(device_id),
                              make_model, sizeof(make_model),
			      NULL, NULL, 0))
	printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device,
	       make_model, make_model, i + 1, device_id);
      else
	printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1);

      close(fd);
    }
  }
#elif defined(__sgi)
  int		i, j, n;	/* Looping vars */
  char		device[255];	/* Device filename */
  inventory_t	*inv;		/* Hardware inventory info */


 /*
  * IRIX maintains a hardware inventory of most devices...
  */

  setinvent();

  while ((inv = getinvent()) != NULL)
  {
    if (inv->inv_class == INV_PARALLEL &&
        (inv->inv_type == INV_ONBOARD_PLP ||
         inv->inv_type == INV_EPP_ECP_PLP))
    {
     /*
      * Standard parallel port...
      */

      puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\"");
    }
    else if (inv->inv_class == INV_PARALLEL &&
             inv->inv_type == INV_EPC_PLP)
    {
     /*
      * EPC parallel port...
      */

      printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n",
             inv->inv_controller, inv->inv_controller);
    }
  }

  endinvent();

 /*
  * Central Data makes serial and parallel "servers" that can be
  * connected in a number of ways.  Look for ports...
  */

  for (i = 0; i < 10; i ++)
    for (j = 0; j < 8; j ++)
      for (n = 0; n < 32; n ++)
      {
        if (i == 8)		/* EtherLite */
          sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]);
        else if (i == 9)	/* PCI */
          sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]);
        else			/* SCSI */
          sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]);

	if (access(device, 0) == 0)
	{
	  if (i == 8)
	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
	           device, j, n);
	  else if (i == 9)
	    printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n",
	           device, j, n);
  	  else
	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
	           device, i, j, n);
	}
      }
#elif defined(__sun)
  int		i, j, n;	/* Looping vars */
  char		device[255];	/* Device filename */


 /*
  * Standard parallel ports...
  */

  for (i = 0; i < 10; i ++)
  {
    sprintf(device, "/dev/ecpp%d", i);
    if (access(device, 0) == 0)
      printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n",
             device, i + 1);
  }

  for (i = 0; i < 10; i ++)
  {
    sprintf(device, "/dev/bpp%d", i);
    if (access(device, 0) == 0)
      printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n",
             device, i + 1);
  }

  for (i = 0; i < 3; i ++)
  {
    sprintf(device, "/dev/lp%d", i);

    if (access(device, 0) == 0)
      printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n",
             device, i + 1);
  }

 /*
  * MAGMA parallel ports...
  */

  for (i = 0; i < 40; i ++)
  {
    sprintf(device, "/dev/pm%02d", i);
    if (access(device, 0) == 0)
      printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n",
             device, (i / 10) + 1, (i % 10) + 1);
  }

 /*
  * Central Data parallel ports...
  */

  for (i = 0; i < 9; i ++)
    for (j = 0; j < 8; j ++)
      for (n = 0; n < 32; n ++)
      {
        if (i == 8)	/* EtherLite */
          sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]);
        else
          sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j,
                  funky_hex[n]);

	if (access(device, 0) == 0)
	{
	  if (i == 8)
	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
	           device, j, n);
  	  else
	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
	           device, i, j, n);
	}
      }
#elif defined(__hpux)
  int		i, j, n;	/* Looping vars */
  char		device[255];	/* Device filename */


 /*
  * Standard parallel ports...
  */

  if (access("/dev/rlp", 0) == 0)
    puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\"");

  for (i = 0; i < 7; i ++)
    for (j = 0; j < 7; j ++)
    {
      sprintf(device, "/dev/c%dt%dd0_lp", i, j);
      if (access(device, 0) == 0)
	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n",
	       device, i, j);
    }

 /*
  * Central Data parallel ports...
  */

  for (i = 0; i < 9; i ++)
    for (j = 0; j < 8; j ++)
      for (n = 0; n < 32; n ++)
      {
        if (i == 8)	/* EtherLite */
          sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]);
        else
          sprintf(device, "/dev/lp%c%d%c", i + 'C', j,
                  funky_hex[n]);

	if (access(device, 0) == 0)
	{
	  if (i == 8)
	    printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
	           device, j, n);
  	  else
	    printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
	           device, i, j, n);
	}
      }
#elif defined(__osf__)
  int	i;			/* Looping var */
  int	fd;			/* File descriptor */
  char	device[255];		/* Device filename */


  for (i = 0; i < 3; i ++)
  {
    sprintf(device, "/dev/lp%d", i);
    if ((fd = open(device, O_WRONLY)) >= 0)
    {
      close(fd);
      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
    }
  }
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
  int	i;			/* Looping var */
  int	fd;			/* File descriptor */
  char	device[255];		/* Device filename */


  for (i = 0; i < 3; i ++)
  {
    sprintf(device, "/dev/lpt%d", i);
    if ((fd = open(device, O_WRONLY)) >= 0)
    {
      close(fd);
      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1);
    }

    sprintf(device, "/dev/lpa%d", i);
    if ((fd = open(device, O_WRONLY)) >= 0)
    {
      close(fd);
      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1);
    }
  }
#elif defined(_AIX)
  int	i;			/* Looping var */
  int	fd;			/* File descriptor */
  char	device[255];		/* Device filename */


  for (i = 0; i < 8; i ++)
  {
    sprintf(device, "/dev/lp%d", i);
    if ((fd = open(device, O_WRONLY)) >= 0)
    {
      close(fd);
      printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
    }
  }
#endif
}


/*
 * End of "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $".
 */
Commit	Line	Data
ef416fc2	1	/*
8ca02f3c	2	* "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $"
ef416fc2	3	*
	4	* Parallel port backend for the Common UNIX Printing System (CUPS).
	5	*
	6	* Copyright 1997-2006 by Easy Software Products, all rights reserved.
	7	*
	8	* These coded instructions, statements, and computer programs are the
	9	* property of Easy Software Products and are protected by Federal
	10	* copyright law. Distribution and use rights are outlined in the file
	11	* "LICENSE" which should have been included with this file. If this
	12	* file is missing or damaged please contact Easy Software Products
	13	* at:
	14	*
	15	* Attn: CUPS Licensing Information
	16	* Easy Software Products
	17	* 44141 Airport View Drive, Suite 204
	18	* Hollywood, Maryland 20636 USA
	19	*
	20	* Voice: (301) 373-9600
	21	* EMail: cups-info@cups.org
	22	* WWW: http://www.cups.org
	23	*
	24	* This file is subject to the Apple OS-Developed Software exception.
	25	*
	26	* Contents:
	27	*
	28	* main() - Send a file to the specified parallel port.
	29	* list_devices() - List all parallel devices.
	30	*/
	31
	32	/*
	33	* Include necessary headers.
	34	*/
	35
ed486911	36	#include "backend-private.h"
ef416fc2	37
b423cd4c	38	#ifdef __hpux
	39	# include <sys/time.h>
	40	#else
	41	# include <sys/select.h>
	42	#endif /* __hpux */
	43
ef416fc2	44	#ifdef WIN32
	45	# include <io.h>
	46	#else
	47	# include <unistd.h>
	48	# include <fcntl.h>
	49	# include <termios.h>
	50	# include <sys/socket.h>
	51	#endif /* WIN32 */
	52
	53	#ifdef __sgi
	54	# include <invent.h>
	55	# ifndef INV_EPP_ECP_PLP
	56	# define INV_EPP_ECP_PLP 6 /* From 6.3/6.4/6.5 sys/invent.h */
	57	# define INV_ASO_SERIAL 14 /* serial portion of SGI ASO board */
	58	# define INV_IOC3_DMA 16 /* DMA mode IOC3 serial */
	59	# define INV_IOC3_PIO 17 /* PIO mode IOC3 serial */
	60	# define INV_ISA_DMA 19 /* DMA mode ISA serial -- O2 */
	61	# endif /* !INV_EPP_ECP_PLP */
	62	#endif /* __sgi */
	63
	64
	65	/*
	66	* Local functions...
	67	*/
	68
	69	void list_devices(void);
	70
	71
	72	/*
	73	* 'main()' - Send a file to the specified parallel port.
	74	*
	75	* Usage:
	76	*
	77	* printer-uri job-id user title copies options [file]
	78	*/
	79
	80	int /* O - Exit status */
	81	main(int argc, /* I - Number of command-line arguments (6 or 7) */
	82	char argv[]) / I - Command-line arguments */
	83	{
	84	char method[255], /* Method in URI */
	85	hostname[1024], /* Hostname */
	86	username[255], /* Username info (not used) */
	87	resource[1024], /* Resource info (device and options) */
	88	options; / Pointer to options */
	89	int port; /* Port number (not used) */
ed486911	90	int print_fd, /* Print file */
ed486911	91	device_fd; /* Parallel device */
ef416fc2	92	int copies; /* Number of copies to print */
ed486911	93	size_t tbytes; /* Total number of bytes written */
ef416fc2	94	struct termios opts; /* Parallel port options */
ef416fc2	95	#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
	96	struct sigaction action; /* Actions for POSIX signals */
	97	#endif /* HAVE_SIGACTION && !HAVE_SIGSET */
ef416fc2	98
	99
	100	/*
	101	* Make sure status messages are not buffered...
	102	*/
	103
	104	setbuf(stderr, NULL);
	105
	106	/*
	107	* Ignore SIGPIPE signals...
	108	*/
	109
	110	#ifdef HAVE_SIGSET
	111	sigset(SIGPIPE, SIG_IGN);
	112	#elif defined(HAVE_SIGACTION)
	113	memset(&action, 0, sizeof(action));
	114	action.sa_handler = SIG_IGN;
	115	sigaction(SIGPIPE, &action, NULL);
	116	#else
	117	signal(SIGPIPE, SIG_IGN);
	118	#endif /* HAVE_SIGSET */
	119
	120	/*
	121	* Check command-line...
	122	*/
	123
	124	if (argc == 1)
	125	{
	126	list_devices();
	127	return (CUPS_BACKEND_OK);
	128	}
	129	else if (argc < 6 \|\| argc > 7)
	130	{
	131	fputs("Usage: parallel job-id user title copies options [file]\n", stderr);
	132	return (CUPS_BACKEND_FAILED);
	133	}
	134
	135	/*
	136	* If we have 7 arguments, print the file named on the command-line.
	137	* Otherwise, send stdin instead...
	138	*/
	139
	140	if (argc == 6)
	141	{
ed486911	142	print_fd = 0;
ed486911	143	copies = 1;
ef416fc2	144	}
	145	else
	146	{
	147	/*
	148	* Try to open the print file...
	149	*/
	150
ed486911	151	if ((print_fd = open(argv[6], O_RDONLY)) < 0)
ef416fc2	152	{
	153	perror("ERROR: unable to open print file");
	154	return (CUPS_BACKEND_FAILED);
	155	}
	156
	157	copies = atoi(argv[4]);
	158	}
	159
	160	/*
	161	* Extract the device name and options from the URI...
	162	*/
	163
a4d04587	164	httpSeparateURI(HTTP_URI_CODING_ALL, cupsBackendDeviceURI(argv),
	165	method, sizeof(method), username, sizeof(username),
	166	hostname, sizeof(hostname), &port,
ef416fc2	167	resource, sizeof(resource));
	168
	169	/*
	170	* See if there are any options...
	171	*/
	172
	173	if ((options = strchr(resource, '?')) != NULL)
	174	{
	175	/*
	176	* Yup, terminate the device name string and move to the first
	177	* character of the options...
	178	*/
	179
	180	*options++ = '\0';
	181	}
	182
	183	/*
	184	* Open the parallel port device...
	185	*/
	186
757d2cad	187	fputs("STATE: +connecting-to-device\n", stderr);
757d2cad	188
ef416fc2	189	do
ef416fc2	190	{
ed486911	191	if ((device_fd = open(resource, O_WRONLY \| O_EXCL)) == -1)
ef416fc2	192	{
	193	if (getenv("CLASS") != NULL)
	194	{
	195	/*
	196	* If the CLASS environment variable is set, the job was submitted
	197	* to a class and not to a specific queue. In this case, we want
	198	* to abort immediately so that the job can be requeued on the next
	199	* available printer in the class.
	200	*/
	201
ed486911	202	fputs("INFO: Unable to open parallel port, queuing on next printer "
ed486911	203	"in class...\n", stderr);
ef416fc2	204
	205	/*
	206	* Sleep 5 seconds to keep the job from requeuing too rapidly...
	207	*/
	208
	209	sleep(5);
	210
	211	return (CUPS_BACKEND_FAILED);
	212	}
	213
	214	if (errno == EBUSY)
	215	{
ed486911	216	fputs("INFO: Parallel port busy; will retry in 30 seconds...\n",
ed486911	217	stderr);
ef416fc2	218	sleep(30);
	219	}
	220	else if (errno == ENXIO \|\| errno == EIO \|\| errno == ENOENT)
	221	{
ed486911	222	fputs("INFO: Printer not connected; will retry in 30 seconds...\n",
ed486911	223	stderr);
ef416fc2	224	sleep(30);
	225	}
	226	else
	227	{
ed486911	228	fprintf(stderr,
ed486911	229	"ERROR: Unable to open parallel port device file \"%s\": %s\n",
ef416fc2	230	resource, strerror(errno));
	231	return (CUPS_BACKEND_FAILED);
	232	}
	233	}
	234	}
ed486911	235	while (device_fd < 0);
ef416fc2	236
757d2cad	237	fputs("STATE: -connecting-to-device\n", stderr);
757d2cad	238
ef416fc2	239	/*
	240	* Set any options provided...
	241	*/
	242
ed486911	243	tcgetattr(device_fd, &opts);
ef416fc2	244
	245	opts.c_lflag &= ~(ICANON \| ECHO \| ISIG); /* Raw mode */
	246
	247	/** No options supported yet **/
	248
ed486911	249	tcsetattr(device_fd, TCSANOW, &opts);
ef416fc2	250
ef416fc2	251	/*
	252	* Finally, send the print file...
	253	*/
	254
ed486911	255	tbytes = 0;
ef416fc2	256
ed486911	257	while (copies > 0 && tbytes >= 0)
ef416fc2	258	{
	259	copies --;
	260
ed486911	261	if (print_fd != 0)
ef416fc2	262	{
ef416fc2	263	fputs("PAGE: 1 1\n", stderr);
ed486911	264	lseek(print_fd, 0, SEEK_SET);
ef416fc2	265	}
ef416fc2	266
ed486911	267	tbytes = backendRunLoop(print_fd, device_fd, 1);
ef416fc2	268
ed486911	269	if (print_fd != 0 && tbytes >= 0)
	270	fprintf(stderr, "INFO: Sent print file, " CUPS_LLFMT " bytes...\n",
	271	CUPS_LLCAST tbytes);
ef416fc2	272	}
	273
	274	/*
	275	* Close the socket connection and input file and return...
	276	*/
	277
ed486911	278	close(device_fd);
	279
	280	if (print_fd != 0)
	281	close(print_fd);
ef416fc2	282
ed486911	283	return (tbytes < 0 ? CUPS_BACKEND_FAILED : CUPS_BACKEND_OK);
ef416fc2	284	}
	285
	286
	287	/*
	288	* 'list_devices()' - List all parallel devices.
	289	*/
	290
	291	void
	292	list_devices(void)
	293	{
	294	#if defined(__hpux) \|\| defined(__sgi) \|\| defined(__sun)
	295	static char *funky_hex = "0123456789abcdefghijklmnopqrstuvwxyz";
	296	/* Funky hex numbering used for some devices */
	297	#endif /* __hpux \|\| __sgi \|\| __sun */
	298
	299	#ifdef __linux
	300	int i; /* Looping var */
	301	int fd; /* File descriptor */
	302	char device[255], /* Device filename */
	303	basedevice[255], /* Base device filename for ports */
	304	device_id[1024], /* Device ID string */
	305	make_model[1024]; /* Make and model */
	306
	307
	308	if (!access("/dev/parallel/", 0))
	309	strcpy(basedevice, "/dev/parallel/");
	310	else if (!access("/dev/printers/", 0))
	311	strcpy(basedevice, "/dev/printers/");
ef416fc2	312	else
	313	strcpy(basedevice, "/dev/lp");
	314
	315	for (i = 0; i < 4; i ++)
	316	{
	317	/*
	318	* Open the port, if available...
	319	*/
	320
	321	sprintf(device, "%s%d", basedevice, i);
	322	if ((fd = open(device, O_RDWR \| O_EXCL)) < 0)
	323	fd = open(device, O_WRONLY);
	324
	325	if (fd >= 0)
	326	{
	327	/*
	328	* Now grab the IEEE 1284 device ID string...
	329	*/
	330
ed486911	331	if (!backendGetDeviceID(fd, device_id, sizeof(device_id),
	332	make_model, sizeof(make_model),
	333	NULL, NULL, 0))
ef416fc2	334	printf("direct parallel:%s \"%s\" \"%s LPT #%d\" \"%s\"\n", device,
	335	make_model, make_model, i + 1, device_id);
	336	else
	337	printf("direct parallel:%s \"Unknown\" \"LPT #%d\"\n", device, i + 1);
	338
	339	close(fd);
	340	}
	341	}
	342	#elif defined(__sgi)
	343	int i, j, n; /* Looping vars */
	344	char device[255]; /* Device filename */
	345	inventory_t inv; / Hardware inventory info */
	346
	347
	348	/*
	349	* IRIX maintains a hardware inventory of most devices...
	350	*/
	351
	352	setinvent();
	353
	354	while ((inv = getinvent()) != NULL)
	355	{
	356	if (inv->inv_class == INV_PARALLEL &&
	357	(inv->inv_type == INV_ONBOARD_PLP \|\|
	358	inv->inv_type == INV_EPP_ECP_PLP))
	359	{
	360	/*
	361	* Standard parallel port...
	362	*/
	363
	364	puts("direct parallel:/dev/plp \"Unknown\" \"Onboard Parallel Port\"");
	365	}
	366	else if (inv->inv_class == INV_PARALLEL &&
	367	inv->inv_type == INV_EPC_PLP)
	368	{
	369	/*
	370	* EPC parallel port...
	371	*/
	372
	373	printf("direct parallel:/dev/plp%d \"Unknown\" \"Integral EPC parallel port, Ebus slot %d\"\n",
	374	inv->inv_controller, inv->inv_controller);
	375	}
	376	}
	377
	378	endinvent();
	379
	380	/*
	381	* Central Data makes serial and parallel "servers" that can be
	382	* connected in a number of ways. Look for ports...
	383	*/
	384
	385	for (i = 0; i < 10; i ++)
	386	for (j = 0; j < 8; j ++)
	387	for (n = 0; n < 32; n ++)
	388	{
	389	if (i == 8) /* EtherLite */
	390	sprintf(device, "/dev/lpn%d%c", j, funky_hex[n]);
	391	else if (i == 9) /* PCI */
	392	sprintf(device, "/dev/lpp%d%c", j, funky_hex[n]);
	393	else /* SCSI */
	394	sprintf(device, "/dev/lp%d%d%c", i, j, funky_hex[n]);
	395
	396	if (access(device, 0) == 0)
	397	{
398	if (i == 8)
399	printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
400	device, j, n);
401	else if (i == 9)
402	printf("direct parallel:%s \"Unknown\" \"Central Data PCI Parallel Port, ID %d, port %d\"\n",
403	device, j, n);
404	else
405	printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
406	device, i, j, n);
407	}
408	}
409	#elif defined(__sun)
410	int i, j, n; /* Looping vars */
411	char device[255]; /* Device filename */
412
413
414	/*
415	* Standard parallel ports...
416	*/
417
418	for (i = 0; i < 10; i ++)
419	{
420	sprintf(device, "/dev/ecpp%d", i);
421	if (access(device, 0) == 0)
422	printf("direct parallel:%s \"Unknown\" \"Sun IEEE-1284 Parallel Port #%d\"\n",
423	device, i + 1);
424	}
425
426	for (i = 0; i < 10; i ++)
427	{
428	sprintf(device, "/dev/bpp%d", i);
429	if (access(device, 0) == 0)
430	printf("direct parallel:%s \"Unknown\" \"Sun Standard Parallel Port #%d\"\n",
431	device, i + 1);
432	}
433
434	for (i = 0; i < 3; i ++)
435	{
436	sprintf(device, "/dev/lp%d", i);
437
438	if (access(device, 0) == 0)
439	printf("direct parallel:%s \"Unknown\" \"PC Parallel Port #%d\"\n",
440	device, i + 1);
441	}
442
443	/*
444	* MAGMA parallel ports...
445	*/
446
447	for (i = 0; i < 40; i ++)
448	{
449	sprintf(device, "/dev/pm%02d", i);
450	if (access(device, 0) == 0)
451	printf("direct parallel:%s \"Unknown\" \"MAGMA Parallel Board #%d Port #%d\"\n",
452	device, (i / 10) + 1, (i % 10) + 1);
453	}
454
455	/*
456	* Central Data parallel ports...
457	*/
458
459	for (i = 0; i < 9; i ++)
460	for (j = 0; j < 8; j ++)
461	for (n = 0; n < 32; n ++)
462	{
463	if (i == 8) /* EtherLite */
464	sprintf(device, "/dev/sts/lpN%d%c", j, funky_hex[n]);
465	else
466	sprintf(device, "/dev/sts/lp%c%d%c", i + 'C', j,
467	funky_hex[n]);
468
469	if (access(device, 0) == 0)
470	{
471	if (i == 8)
472	printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
473	device, j, n);
474	else
475	printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
476	device, i, j, n);
477	}
478	}
479	#elif defined(__hpux)
480	int i, j, n; /* Looping vars */
481	char device[255]; /* Device filename */
482
483
484	/*
485	* Standard parallel ports...
486	*/
487
488	if (access("/dev/rlp", 0) == 0)
489	puts("direct parallel:/dev/rlp \"Unknown\" \"Standard Parallel Port (/dev/rlp)\"");
490
491	for (i = 0; i < 7; i ++)
492	for (j = 0; j < 7; j ++)
493	{
494	sprintf(device, "/dev/c%dt%dd0_lp", i, j);
495	if (access(device, 0) == 0)
496	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d,%d\"\n",
497	device, i, j);
498	}
499
500	/*
501	* Central Data parallel ports...
502	*/
503
504	for (i = 0; i < 9; i ++)
505	for (j = 0; j < 8; j ++)
506	for (n = 0; n < 32; n ++)
507	{
508	if (i == 8) /* EtherLite */
509	sprintf(device, "/dev/lpN%d%c", j, funky_hex[n]);
510	else
511	sprintf(device, "/dev/lp%c%d%c", i + 'C', j,
512	funky_hex[n]);
513
514	if (access(device, 0) == 0)
515	{
516	if (i == 8)
517	printf("direct parallel:%s \"Unknown\" \"Central Data EtherLite Parallel Port, ID %d, port %d\"\n",
518	device, j, n);
519	else
520	printf("direct parallel:%s \"Unknown\" \"Central Data SCSI Parallel Port, logical bus %d, ID %d, port %d\"\n",
521	device, i, j, n);
522	}
523	}
524	#elif defined(__osf__)
525	int i; /* Looping var */
526	int fd; /* File descriptor */
527	char device[255]; /* Device filename */
528
529
530	for (i = 0; i < 3; i ++)
531	{
532	sprintf(device, "/dev/lp%d", i);
533	if ((fd = open(device, O_WRONLY)) >= 0)
534	{
535	close(fd);
536	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
537	}
538	}
b423cd4c	539	#elif defined(__FreeBSD__) \|\| defined(__OpenBSD__) \|\| defined(__NetBSD__) \|\| defined(__DragonFly__)
ef416fc2	540	int i; /* Looping var */
	541	int fd; /* File descriptor */
	542	char device[255]; /* Device filename */
	543
	544
	545	for (i = 0; i < 3; i ++)
	546	{
	547	sprintf(device, "/dev/lpt%d", i);
	548	if ((fd = open(device, O_WRONLY)) >= 0)
	549	{
	550	close(fd);
	551	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (interrupt-driven)\"\n", device, i + 1);
	552	}
	553
	554	sprintf(device, "/dev/lpa%d", i);
	555	if ((fd = open(device, O_WRONLY)) >= 0)
	556	{
	557	close(fd);
	558	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d (polled)\"\n", device, i + 1);
	559	}
	560	}
	561	#elif defined(_AIX)
	562	int i; /* Looping var */
	563	int fd; /* File descriptor */
	564	char device[255]; /* Device filename */
	565
	566
	567	for (i = 0; i < 8; i ++)
	568	{
	569	sprintf(device, "/dev/lp%d", i);
	570	if ((fd = open(device, O_WRONLY)) >= 0)
	571	{
	572	close(fd);
	573	printf("direct parallel:%s \"Unknown\" \"Parallel Port #%d\"\n", device, i + 1);
	574	}
	575	}
	576	#endif
	577	}
	578
	579
	580	/*
8ca02f3c	581	* End of "$Id: parallel.c 5726 2006-07-12 20:00:11Z mike $".
ef416fc2	582	*/